Blew 5th gear

merc123 · Feb 5, 2007

Never thought I'd see the day when I blew out 5th gear. I was driving to work today and had cruise set on 75. The car was pulling up a hill and I felt it surge a little bit then I heard a weird whirring sound. Not quite like grinding a gear but close. I pulled it out of 5th and put in 4th and had no issues. I went to put it back into 5th and as soon as I released the clutch it made a semi-grinding sound and when I applied the gas it just revved the motor. Needless to say I limped the car to the dealer (another 30 miles) in 4th gear. With 3.73's on the highway in 4th gear is NOT fun. I was cruising at 60 MPH @ 3,000 RPM. The tranny sounded terrible the whole time probably from the metal chunks flying around in it now. Anyway, I get to the dealer and unbeknownst to me I was supposed to transfer ownership of the 100,000 ExtraCare warranty into MY name and they tell me they can't fix it until I get it changed over. So now I have to pay $50 and wait 10 days for it to get changed into my name, which is not guranteed because I had some TSB's fixed by a Ford dealer previously under my name so Ford Corporate might kick it back.

Any ideas if Ford kicks back the warranty transfer? How hard is it to rebulid the 3650's 5th gear?

thomas91169 · Feb 5, 2007

dam that sucks man, youd think the added torque multiplication would make the load easier on 5th gear than the stock 3.27's.

id look into the T56 swap if my 3650 ever bites the dust.

Matt's 03 GT · Feb 5, 2007

http://www.ddperformance.com/T56 Kits.htm

$2,799 for a 6 speed

merc123 · Feb 5, 2007

I really don't have 2800 to blow on a 6-speed. What would cause the 5th gear to do that though? I mean, it's not like I was drag racing 5th.

AmBo · Feb 5, 2007

merc123 said:
I really don't have 2800 to blow on a 6-speed. What would cause the 5th gear to do that though? I mean, it's not like I was drag racing 5th.

I was wondering the same thing. What the F would cause this? I've never heard of just crusing and 5th and pwning ur tranny.

Sorry to hear bro.

Rickey_Bobby · Feb 5, 2007

the 3650's are a craps shoot. You either get lucky, or you get screwed. I personally have been lucky... mine makes funny noises, but never grinds, holds up to over 550RWTQ and I beat it like crazy. However, I have seen many fail for what seems like no reason. For $1650 you can get a performance built 3650 shipped to your door. No core BS. Straight bolt in, no changing anything....

I got mine from RPM transmissions.

HERE'S A LINK:
http://cgi.ebay.com/ebaymotors/TR3650-3650-TR-3650-4-6L-Mustang-transmission-Tremec_W0QQcmdZViewItemQQcategoryZ33733QQihZ014QQitemZ330023538421

merc123 · Feb 6, 2007

I've been lucky as I've only had the TSB fix done on mine. The tranny has taken a thrashing too because I learned how to drive stick on it but I figured it would be 2nd or 3rd, never 5th.

If Ford won't fix this I'll pay the $1400 to get that performance one. Ours uses the electronic speed sensor, right?

jivepepper · Feb 6, 2007

I bought an used one for 375, 2 years ago. So far it's still ticking.

Rickey_Bobby · Feb 6, 2007

merc123 said:
I've been lucky as I've only had the TSB fix done on mine. The tranny has taken a thrashing too because I learned how to drive stick on it but I figured it would be 2nd or 3rd, never 5th.

If Ford won't fix this I'll pay the $1400 to get that performance one. Ours uses the electronic speed sensor, right?

Yes, electronic speed sensor. All you would need is the tranny I sent you in the link. There are no additional parts required.

Hope Ford takes car of you though... They have screwed me a few times, hope your luck is better.

mrvax · Feb 6, 2007

Let us know how it goes. Sorry to hear that. Did you ever stress the tranny?

LaserRed01GT · Feb 6, 2007

merc123 said:
Never thought I'd see the day when I blew out 5th gear. I was driving to work today and had cruise set on 75. The car was pulling up a hill and I felt it surge a little bit then I heard a weird whirring sound. Not quite like grinding a gear but close. I pulled it out of 5th and put in 4th and had no issues. I went to put it back into 5th and as soon as I released the clutch it made a semi-grinding sound and when I applied the gas it just revved the motor. Needless to say I limped the car to the dealer (another 30 miles) in 4th gear. With 3.73's on the highway in 4th gear is NOT fun. I was cruising at 60 MPH @ 3,000 RPM. The tranny sounded terrible the whole time probably from the metal chunks flying around in it now. Anyway, I get to the dealer and unbeknownst to me I was supposed to transfer ownership of the 100,000 ExtraCare warranty into MY name and they tell me they can't fix it until I get it changed over. So now I have to pay $50 and wait 10 days for it to get changed into my name, which is not guranteed because I had some TSB's fixed by a Ford dealer previously under my name so Ford Corporate might kick it back.

Any ideas if Ford kicks back the warranty transfer? How hard is it to rebulid the 3650's 5th gear?

It's not uncommon for the 5th gear countershaft needle bearings to let go on these. The only way to find for sure is to pull it apart.

Did you have 1-3 gear?

merc123 · Feb 6, 2007

mrvax said:
Let us know how it goes. Sorry to hear that. Did you ever stress the tranny?

Other than some spirited driving, not really. I mean, who doesn't bang some gears every now and again..

LaserRed01GT said:
It's not uncommon for the 5th gear countershaft needle bearings to let go on these. The only way to find for sure is to pull it apart.

Did you have 1-3 gear?

I have every gear but 5th. Reverse felt funny and it could have been chunks of the gear getting caught between the teeth of the reverse gear though. It almost seemed like reverse was binding some how. I still have 1, 2, 3, 4 with no problems. They don't grind or feel any different.

merc123 · Feb 6, 2007

Rickey_Bobby said:
Yes, electronic speed sensor. All you would need is the tranny I sent you in the link. There are no additional parts required.

Hope Ford takes car of you though... They have screwed me a few times, hope your luck is better.

I doubt Ford will take care of me. They have screwed me a LOT in the past. If they don't come through I'll just get this new tranny. Save me the time of taking out my Tri-ax when it goes into the dealer

topless98gt · Feb 6, 2007

DAMN! 60mph @ 3,000rpm?! With my 3.73s, I do 60mph @ 2,200rpm, I think. But then again, I do have the T-45.

merc123 · Feb 7, 2007

Could have been 70. I know I was turning more RPM than what I wanted.

GToddyT5 · Feb 7, 2007

Don't keep driving it like that or you could damage reverse too. They're on the same shaft, no? When I broke reverse in my GT, 5th was sloppy as hell. You shoulda seen that thing when the mechanic pulled it apart. I had pictures somewhere...teeth in the bottom of the tranny case and two gears and the clustershaft (?) were stripped.

TheDamned · Feb 7, 2007

Wow that's bad, terrible feeling to lose a gear I guess!

merc123 · Feb 7, 2007

GToddyT5 said:
Don't keep driving it like that or you could damage reverse too. They're on the same shaft, no? When I broke reverse in my GT, 5th was sloppy as hell. You shoulda seen that thing when the mechanic pulled it apart. I had pictures somewhere...teeth in the bottom of the tranny case and two gears and the clustershaft (?) were stripped.

It's parked. When Ford gets ready to take it in (if they take it in) I'm going to trailer it to the dealership. It's only about a 2 mile drive from the house to the dealer so it may not be bad but I don't like those pieces floating around.

What caused it to go though?

GToddyT5 · Feb 8, 2007

merc123 said:
It's parked. When Ford gets ready to take it in (if they take it in) I'm going to trailer it to the dealership. It's only about a 2 mile drive from the house to the dealer so it may not be bad but I don't like those pieces floating around.

What caused it to go though?

I wouldn't say it really "went". A few beers at lunch + Supercharged car + stock tranny + neutral drops into reverse = shrapnel. But the mechanic said some of the parts in there weren't looking too good as it was, so maybe I did it a favor.

merc123 · Feb 8, 2007

I mean what would cause mine to go.

Blew 5th gear

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